I did the initial recommendation of unplugging the refrigerator for a short bit and replugging to get the ice maker to make ice. Worked like a champ for a couple months. Finally that no longer worked. So I priced a replacement refrigerator (ack) and then ...
I watched this video from AppliancePartsPros.com a couple of times (https://www.appliancepartspros.com/whirlpool-cntrl-elec-w10757851-ap5956767.html#videol), bought the 2 circuit boards recommended, and installed them. Took maybe 5 minutes to replace the old boards.
The refrigerator has been making ice ever since. Many thanks and best, Jim